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PEX Dayton Audio ND105 PR 4" Aluminum Cone Passive Radiator P10184903PEX-290-213 https://cdnimages.opentip.com/full/PEX/PEX-290-213.jpg Dayton Audio ND105 PR 4" Aluminum Cone Passive Radiator Manufacturer Part Number: ND105-PRThe Dayton Audio ND105-PR 4\" passive radiator makes it easy to tune small enclosures lower without increasing overall enclosure size. With a one-piece aluminum cone, rubber surround, high excursion capability, and easily adjustable mass, this passive radiator is perfect for building extremely compact speaker systems capable of incredible low frequency output.Key Features: Rigid black anodized aluminum alloy cone High excursion capability: 12 mm peak to peak Same \"family look\" as ND Series woofers Adjustable mass for a vast range of tuning frequencies Dayton Audio ND105-PR 4\" Aluminum Cone Passive RadiatorTune small enclosures with Dayton Audio\'s ND105-PR 4\" passive radiator in speaker designs where a conventional port is not a viable option. This compact passive radiator includes all of the features you expect with larger radiators including high excursion capability, aluminum cone, rubber surround, and adjustable mass. Visually identical to Dayton Audio\'s popular ND series drivers, the ND105-PR can be used with any small speaker. The threaded rod and included wing nut on the back of the cone makes it easy to add mass to tune the radiator as needed for your projects. Whether you are building a multi-driver array, sound bar, or portable Bluetooth speaker, the Dayton Audio ND105-PR introduces a new range of possibilities.The ND105-PR 4\" passive radiator includes: (1) Passive radiator(1) 21.8 gram disk weights(1) Wing nutSpecifications: Fs: 51.5 Hz Vas: 0.09 cu. ft. (2.6 liters) Qms: 5.93 Cms: 0.68 mm/N Mms: 13.9g Rms: 0.76 kg/s Sd: 51.5 sq. cm. Xmech: 6 mm Dimensions: Overall diameter: 4.13\", Cutout diameter: 3.66\", Depth: 2.64\".Tip: As a general rule, the passive radiator(s) should have at least double the displacement of air (Vd) as the active woofer(s)/subwoofer(s) in the system.To calculate Vd: Sd x Xmax = VdProduct Details BrandDayton Audio ModelND105-PR Part Number290-213 UPC848791004841 Unit of MeasureEach Weight0.3 Product Specifications Nominal Diameter4\" Moving Mass Of Diaphragm (Mmd)13.9 Thiele-Small Parameters Resonant Frequency (Fs)51.5Hz Mechanical Q (Qms)5.93 Compliance Equivalent Volume (Vas)0.09ft³ Mechanical Compliance of Suspension (Cms)0.68mm/N Maximum Linear Excursion (Xmax)6mm Surface Area of Cone (Sd)51.5cm² Materials of Construction Cone MaterialAluminum Surround MaterialRubber Basket / Frame MaterialSteel Mounting Information Overall Outside Diameter4.13\" Baffle Cutout Diameter3.66\" Depth2.64\" # Mounting Holes4 10184903 848791004841 0.3600lbs 0.00 0.00 0.00
Dayton Audio
10.98 2025-05-11 573 In Stock
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Dayton Audio ND105-PR 4" Aluminum Cone Passive Radiator

Brand Dayton Audio
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UPC: 848791004841
SKU: PEX-290-213
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Product Description

Manufacturer Part Number: ND105-PR

The Dayton Audio ND105-PR 4" passive radiator makes it easy to tune small enclosures lower without increasing overall enclosure size. With a one-piece aluminum cone, rubber surround, high excursion capability, and easily adjustable mass, this passive radiator is perfect for building extremely compact speaker systems capable of incredible low frequency output.

Key Features:
  • Rigid black anodized aluminum alloy cone
  • High excursion capability: 12 mm peak to peak
  • Same "family look" as ND Series woofers
  • Adjustable mass for a vast range of tuning frequencies


Dayton Audio ND105-PR 4" Aluminum Cone Passive Radiator

Tune small enclosures with Dayton Audio's ND105-PR 4" passive radiator in speaker designs where a conventional port is not a viable option. This compact passive radiator includes all of the features you expect with larger radiators including high excursion capability, aluminum cone, rubber surround, and adjustable mass. Visually identical to Dayton Audio's popular ND series drivers, the ND105-PR can be used with any small speaker. The threaded rod and included wing nut on the back of the cone makes it easy to add mass to tune the radiator as needed for your projects. Whether you are building a multi-driver array, sound bar, or portable Bluetooth speaker, the Dayton Audio ND105-PR introduces a new range of possibilities.

The ND105-PR 4" passive radiator includes:
(1) Passive radiator
(1) 21.8 gram disk weights
(1) Wing nut

Specifications: Fs: 51.5 Hz Vas: 0.09 cu. ft. (2.6 liters) Qms: 5.93 Cms: 0.68 mm/N Mms: 13.9g Rms: 0.76 kg/s Sd: 51.5 sq. cm. Xmech: 6 mm Dimensions: Overall diameter: 4.13", Cutout diameter: 3.66", Depth: 2.64".

Tip: As a general rule, the passive radiator(s) should have at least double the displacement of air (Vd) as the active woofer(s)/subwoofer(s) in the system.
To calculate Vd: Sd x Xmax = Vd

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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